ePhoto LED500A 500 LED Dimmable Light Panel with 4 Bank Switches Ultra Bright 500 LED 5500K panel Dimmable switch with 4 Bank adjustable output Mounting: vertical or Horizontal with a removable adapter Uses: 50 watt and it is Equivalent: 500 watts Operates on 12V DC or ON regular AC adapter from 110v to 240V with a 12V DC output.